On two problems related to cancellativity.
Otto, F.
Semigroup forum, Tome 33 (1986), p. 331-356 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1986-01-01
EUDML-ID : urn:eudml:doc:134818 
@article{GDZPPN001258265,
     title = {On two problems related to cancellativity.},
     journal = {Semigroup forum},
     volume = {33},
     year = {1986},
     pages = {331-356},
     zbl = {0584.20046},
     url = {http://dml.mathdoc.fr/item/GDZPPN001258265}
}

Otto, F. On two problems related to cancellativity.. Semigroup forum, Tome 33 (1986) pp. 331-356. http://gdmltest.u-ga.fr/item/GDZPPN001258265/